Make a list of materials around you which conduct electricity and a list of those that do not.

12 During electroplating the copper deposited on the plate connected to negative terminal comes from the solution. How this loss of copper from solution compensated? 13 Give one example of the application of electroplating. 14 Why chromium is used for electroplating? Why the objects which have chromium plating are not made of chromium itself? 15 Except chromium plating on several other metals what other metals are used for waiting . Give few examples.